
public abstract class Person implements Walkable{
	private int leg;
	private int head;
	public Person(int head, int leg)
	{
		this.leg = leg;
		this.head = head;
	}
	
	public String toString()
	{
		String toString;
		toString = "사람은 ";
		toString += leg+"개의 다리";
		toString += head+"개의 머리를 가지고 있다.";
                toString += head+"I changed this!! my name is lee.";
                toString += "My name is Jiwoong Park!"
		return toString; 
	}
}
